C# は Hikvision 機器の自動バッチリアルタイムキャリブレーションを実現します

1. クラス ライブラリの主要な部分を作成します: ログイン、デバイス時間の読み取り、デバイス時間の調整

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;

public class HIK_NVR
{
    
    
    public int m_lUserID = -1;

    public string ip;
    public ushort port = 8000;
    public string user;
    public string pass;

    private uint iLastErr = 0;


    public CHCNetSDK.NET_DVR_USER_LOGIN_INFO m_struLogInInfo;
    public CHCNetSDK.LOGINRESULTCALLBACK LoginResultCallback;
    public CHCNetSDK.NET_DVR_DEVICEINFO_V40 m_struDeviceInfo;
    public CHCNetSDK.NET_DVR_TIME m_struTimeCfg;

	//构造函数
    public HIK_NVR(string _ip, ushort _port, string _user, string _pass)
    {
    
    
        ip = _ip;
        port = _port;
        user = _user;
        pass = _pass;
    }
	//初始化SDK
    public static bool Init()
    {
    
    
        bool flag = CHCNetSDK.NET_DVR_Init();
        flag = CHCNetSDK.NET_DVR_SetLogToFile(3, $"{
      
      AppDomain.CurrentDomain.BaseDirectory}SdkLog\\", true);
        return flag;
    }

	//设备登录
    public void LogIn(out string msg)
    {
    
    
        msg = "ok";
        if (m_lUserID < 0)
        {
    
    
            m_struLogInInfo = new CHCNetSDK.NET_DVR_USER_LOGIN_INFO();
            //设备IP地址或者域名
            byte[] byIP = Encoding.Default.GetBytes(ip);
            m_struLogInInfo.sDeviceAddress = new byte[129];
            byIP.CopyTo(m_struLogInInfo.sDeviceAddress, 0);

            //设备端口号，默认8000
            m_struLogInInfo.wPort = port;//设备服务端口号

            //设备用户名
            byte[] byUserName = Encoding.Default.GetBytes(user);
            m_struLogInInfo.sUserName = new byte[64];
            byUserName.CopyTo(m_struLogInInfo.sUserName, 0);

            //设备密码
            byte[] byPassword = Encoding.Default.GetBytes(pass);
            m_struLogInInfo.sPassword = new byte[64];
            byPassword.CopyTo(m_struLogInInfo.sPassword, 0);



            m_struLogInInfo.bUseAsynLogin = false; //是否异步登录：0- 否，1- 是 


            //LoginResultCallback = onLoginResultCallback;
            //m_struLogInInfo.cbLoginResult = LoginResultCallback;




            //登录设备 Login the device
            m_lUserID = CHCNetSDK.NET_DVR_Login_V40(ref m_struLogInInfo, ref m_struDeviceInfo);
            if (m_lUserID == -1)
            {
    
    
                iLastErr = CHCNetSDK.NET_DVR_GetLastError();
                msg = "登录失败，输出错误号" + iLastErr;
                //登录失败，输出错误号 Failed to login and output the error code
                //MessageBox.Show(strErr);
                return;
            }
            else
            {
    
    

            }
        }
        else
        {
    
    
            //注销登录 Logout the device
            if (!LogOut())
            {
    
    
                iLastErr = CHCNetSDK.NET_DVR_GetLastError();
                msg = "注销登录失败，输出错误号:" + iLastErr; //注销登录失败，输出错误号 Failed to logout and output the error code

            }
            else
            {
    
    
                m_lUserID = -1;
            }
        }
    }
	//读取设备时间
    public bool GetNvrTime(out DateTime nvrDateTime, out string msg)
    {
    
    
        bool flag = false;
        msg = "ok";
        nvrDateTime = new DateTime(1970, 1, 1, 0, 0, 0);
        try
        {
    
    
            uint dwReturn = 0;
            int nSize = Marshal.SizeOf(m_struTimeCfg);
            IntPtr ptrTimeCfg = Marshal.AllocHGlobal(nSize);
            Marshal.StructureToPtr(m_struTimeCfg, ptrTimeCfg, false);

            if (m_lUserID < 0)
            {
    
    
                LogIn(out msg);
            }

            if (!CHCNetSDK.NET_DVR_GetDVRConfig(m_lUserID, CHCNetSDK.NET_DVR_GET_TIMECFG, -1, ptrTimeCfg, (uint)nSize, ref dwReturn))
            {
    
    
                iLastErr = CHCNetSDK.NET_DVR_GetLastError();
                msg = "获取设备时间失败，输出错误号: " + iLastErr;
                nvrDateTime = new DateTime(1970, 1, 1, 0, 0, 0);
                flag = false;
            }
            else
            {
    
    
                m_struTimeCfg = (CHCNetSDK.NET_DVR_TIME)Marshal.PtrToStructure(ptrTimeCfg, typeof(CHCNetSDK.NET_DVR_TIME));

                nvrDateTime = new DateTime(
                    (int)m_struTimeCfg.dwYear,
                    (int)m_struTimeCfg.dwMonth,
                    (int)m_struTimeCfg.dwDay,
                    (int)m_struTimeCfg.dwHour,
                    (int)m_struTimeCfg.dwMinute,
                    (int)m_struTimeCfg.dwSecond
                );
                flag = true;
                //MessageBox.Show($@"{nvrDateTime:yyyy-MM-dd HH:mm:ss}");
            }
            Marshal.FreeHGlobal(ptrTimeCfg);

        }
        catch (Exception ex)
        {
    
    
            flag = false;
            msg = ex.Message;
            //throw;
        }
        return flag;
    }
	//设置设备时间【校时】
    public bool SetNvrTime(DateTime nvrDateTime, out string msg)
    {
    
    
        bool flag = false;
        msg = "ok";
        try
        {
    
    
            m_struTimeCfg.dwYear = (uint)nvrDateTime.Year;
            m_struTimeCfg.dwMonth = (uint)nvrDateTime.Month;
            m_struTimeCfg.dwDay = (uint)nvrDateTime.Day;
            m_struTimeCfg.dwHour = (uint)nvrDateTime.Hour;
            m_struTimeCfg.dwMinute = (uint)nvrDateTime.Minute;
            m_struTimeCfg.dwSecond = (uint)nvrDateTime.Second;

            int nSize = Marshal.SizeOf(m_struTimeCfg);
            IntPtr ptrTimeCfg = Marshal.AllocHGlobal(nSize);
            Marshal.StructureToPtr(m_struTimeCfg, ptrTimeCfg, false);
            if (m_lUserID < 0)
            {
    
    
                LogIn(out msg);
            }
            if (!CHCNetSDK.NET_DVR_SetDVRConfig(m_lUserID, CHCNetSDK.NET_DVR_SET_TIMECFG, -1, ptrTimeCfg, (uint)nSize))
            {
    
    
                iLastErr = CHCNetSDK.NET_DVR_GetLastError();
                msg = "设置时间失败，输出错误号:" + iLastErr;
                flag = false;
            }
            else
            {
    
    
                flag = true;
                //MessageBox.Show("校时成功！");
            }

            Marshal.FreeHGlobal(ptrTimeCfg);
        }
        catch (Exception ex)
        {
    
    
            flag = false;
            msg = ex.Message;
            //throw;
        }
        return flag;
    }
	//注销登录
    public bool LogOut()
    {
    
    
        return CHCNetSDK.NET_DVR_Logout(m_lUserID);
    }


	/*
    //异步登录回调
    private void onLoginResultCallback(int lUserID, int dwResult, IntPtr lpDeviceInfo, IntPtr pUser)
    {
        m_lUserID = lUserID;
        //Debug.Print($@"设备类型：{dev_type}，IP地址：{ip_add}登录句柄：{handle}");

        //LogApi.WriteLog($@"设备类型：{dev_type}，ip_add={ip_add}，lUserID={handle}，dwResult={dwResult}");
        iLastErr = CHCNetSDK.NET_DVR_GetLastError();
        //Debug.Print($@"{ip_add}登录错误代码：{  Get_last_err}");
        //LogApi.WriteLog($@"{ip_add}登录错误代码：{  Get_last_err}");
        if (dwResult > 0)
        {
            //Debug.Print($@"登录成功---");
            //    flagLogin = true;
            //    if (dev_type == "alarm_host")
            //    {
            //        SetupAlarmChan(); //布防
            //    }
        }
        //Debug.Print($@"是否登录成功：{  flagLogin}");
    }*/
}

2. 設定ファイルの書き込み [ルール：分岐、カンマ区切り]

192.168.1.88,8000,admin,a1234567,录像机1
192.168.1.89,8000,admin,a1234567,录像机2

3. フォームのレイアウト、フォーム コントロールのドラッグ アンド ドロップ、コードの記述

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Windows.Forms;

namespace 海康校时
{
    
    
    public partial class 主窗体 : Form
    {
    
        
        public 主窗体()
        {
    
    
            InitializeComponent();
            HIK_NVR.Init();
        }


        private void 主窗体_Load(object sender, EventArgs e)
        {
    
    
            var nvrList = File.ReadAllLines($@"{
      
      AppDomain.CurrentDomain.BaseDirectory}nvr_list.txt");
            HIK_NVR[] nvrs = new HIK_NVR[nvrList.Length];
            DataTable dt = new DataTable();

            dt.Columns.Add("设备名称");
            dt.Columns.Add("设备IP地址");
            dt.Columns.Add("设备端口");
            dt.Columns.Add("设备时间");
            dt.Columns.Add("本地电脑时间");
            dt.Columns.Add("时钟差");

            for (int i = 0; i < nvrList.Length; i++)
            {
    
    
                var nvrInfo = nvrList[i].Split(',');
                nvrs[i] = new HIK_NVR(nvrInfo[0], ushort.Parse(nvrInfo[1]), nvrInfo[2], nvrInfo[3]);
                dt.Rows.Add(new string[] {
    
     nvrInfo[4], nvrInfo[0], nvrInfo[1], "", "", "" });
            }
            dataGridView1.DataSource = dt;

            Thread th = new Thread(() =>
            {
    
    
                while (true)
                {
    
    
                    for (int i = 0; i < nvrs.Length; i++)
                    {
    
    
                        if (nvrs[i].GetNvrTime(out DateTime nvrDateTime, out string msg))
                        {
    
    
                            var now = DateTime.Now;
                            var ts = (now - nvrDateTime).TotalSeconds;
                            if (Math.Abs(ts) > 5) //时钟差超过5秒，立即校时
                            {
    
    
                                nvrs[i].SetNvrTime(DateTime.Now, out string m);
                            }
                            dt.Rows[i]["设备时间"] = $@"{
      
      nvrDateTime:yyyy-MM-dd HH:mm:ss}";
                            dt.Rows[i]["本地电脑时间"] = $@"{
      
      now:yyyy-MM-dd HH:mm:ss}";

                            dt.Rows[i]["时钟差"] = ts.ToString();
                        }
                        else
                        {
    
    
                            dt.Rows[i]["设备时间"] = msg;
                        }
                    }
                    Thread.Sleep(1000);
                }

            })
            {
    
    
                IsBackground = true
            };
            th.Start();
        }
    }
}

4. 運用観察効果